JK

Joannes W. J. Knapen

HB Hoogovens Groep B.V.: 1 patents #37 of 138Top 30%
📍 Utrecht, NL: #535 of 1,053 inventorsTop 55%
Overall (All Time): #3,901,171 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4919273 Apparatus for sorting metal bars by length Jan Kruit 1990-04-24